private Optional<Artifact> xctestIpa() {
FileProvider fileProvider =
ruleContext.getPrerequisite("xctest_app", Mode.TARGET, FileProvider.class);
if (fileProvider == null) {
return Optional.absent();
}
List<Artifact> files =
Artifact.filterFiles(fileProvider.getFilesToBuild(), FileType.of(".ipa"));
if (files.size() == 0) {
return Optional.absent();
} else if (files.size() == 1) {
return Optional.of(Iterables.getOnlyElement(files));
} else {
throw new IllegalStateException("Expected 0 or 1 files in xctest_app, got: " + files);
}
}
/**
* Retrieves the resource {@link Artifact} and resource root {@link PathFragment}.
*
* @param targets {@link FileProvider}s for a given set of resource.
* @return The Builder.
*/
public LocalResourceContainer.Builder withResources(Iterable<FileProvider> targets) {
PathFragment lastResourceDir = null;
Artifact lastFile = null;
for (FileProvider target : targets) {
for (Artifact file : target.getFilesToBuild()) {
PathFragment packageFragment =
file.getArtifactOwner().getLabel().getPackageIdentifier().getSourceRoot();
PathFragment packageRelativePath = file.getRootRelativePath().relativeTo(packageFragment);
PathFragment resourceDir = findResourceDir(file);
if (resourceDir == null) {
ruleContext.attributeError(
ResourceType.RESOURCES.getAttribute(),
String.format(INCORRECT_RESOURCE_LAYOUT_MESSAGE, file.getRootRelativePath()));
return this;
}
if (lastResourceDir == null || resourceDir.equals(lastResourceDir)) {
resourceRoots.add(
trimTail(file.getExecPath(), makeRelativeTo(resourceDir, packageRelativePath)));
} else {
ruleContext.attributeError(
ResourceType.RESOURCES.getAttribute(),
String.format(
"'%s' (generated by '%s') is not in the same directory '%s' (derived from %s)."
+ " All resources must share a common directory.",
file.getRootRelativePath(),
file.getArtifactOwner().getLabel(),
lastResourceDir,
lastFile.getRootRelativePath()));
return this;
}
resources.add(file);
lastFile = file;
lastResourceDir = resourceDir;
}
}
return this;
}